Revert "[RESTRICT AUTOMERGE] Add test to known failures"

This reverts commit 46dea821cd5dfe154fbbc5b44e9acd59c2f3133d.

Reason for revert: Incorrect way to set known failures for libcore module

Change-Id: I563d78f8edb885b05421365f498b9bda4e7ab4fb
1 file changed